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Windows 7: changing dll files to "Unknown Application"

Hi, I'm transferring files from one PC to another and when I open dll files in the new pc, they open in IE. On the other one they are listed as "Unknown Application." I tried going in and changing how to open the files, but "Unknown Application" is not a choice. How do I change this so the dll files open in Unknown App? I have to install four dll files in order to get a program to function properly on my computer. Thanks.

changing dll files to "Unknown Application"

file type Change back to "unknown application"I was looking at the content of some .com-playback file types using the "open with" command and then selecting VLC player. Unfortunately I accidentally had the box ticked to open all files of this type with VLC from now on.
The files were originally designated as being opened with an "unknown...

Want help to change file association to "unknown application"I was playing Assassin's Creed 3,but one day it stopped displaying my profile in the game.So I decided to find the save games and try to solve it myself but ended up screwing it up.I changed a .save file's default application to the game application(hoping it would solve the problem).I now thought...

General Discussion

Windows 7: Change back to "Unknown Application"I accidentally set TMP file from location
(C:\Users\Personal\AppData\Local\Google\Chrome\User Data\Default\Pepper Data\Shockwave Flash)
"open with" to vlc player
The files were originally designated as being opened with an "unknown application". I can set these files to be opened by default...

General Discussion

Change back to "Unknown Application"I was looking at the content of some .ui file types using the "open with" command and then selecting Notepad. Unfortunately I accidentally had the box ticked to open all files of this type with Notepad from now on.
The files were originally designated as being opened with an "unknown...